04 February 2014, 11:00 AM ET
A mass grave in a Chinese lakebed contains the extremely well-preserved fossils of dinosaurs, mammals and early birds, but the cause of the animals' death has long puzzled scientists.
03 February 2014, 11:10 PM ET
Meet a parasite that can create its own mobile nursery for its young, a parasite that is thought to be the inspiration behind the chest-bursting xenomorph in the film Alien.
03 February 2014, 03:00 PM ET
Mosquitoes use scent-detecting molecules known as odorant receptors in their antennae. These sensors help mosquitoes "sniff out" sources of blood. Now, researchers have discovered mosquitoes have these same molecules in their sperm as well.
03 February 2014, 01:51 PM ET
The Southwest's small population of endangered Mexican wolves, once driven to the brink of extinction, has increased for the fourth year in a row, according to the U.S. Fish and Wildlife Service.
03 February 2014, 11:03 AM ET
For some spider suitors, the arachnid equivalent of a box of chocolates is an insect wrapped in silk. New research shows it's not just the gift but also the color of the wrapping that can seal the deal among one species.
31 January 2014, 11:25 PM ET
Allegations of abuse at Animal Planet raise questions about wildlife programs.
31 January 2014, 02:14 PM ET
Ants use a certain pattern, or algorithm, to forage for food. This algorithm can be used to tackle many types of problems.
31 January 2014, 12:55 PM ET
Maybe you've seen couples that start to look like each other, but lemurs in love actually start to smell alike. Lemurs mimic their mate's scent-marking habits, and after they've had babies, the primate couples even start to give off similar aromas.
31 January 2014, 11:54 AM ET
The Super Bowl, horses, Doberhuahuas, and the power of positive messages.
30 January 2014, 05:48 PM ET
A plant virus has jumped kingdoms and is now infecting bees.
30 January 2014, 04:28 PM ET
The underside of the Ross Ice Shelf held more than just a view of the ice.
30 January 2014, 03:57 PM ET
A snowy owl that's become somewhat of a local celebrity in Washington, D.C., was hit by a bus today (Jan. 30), but survived. It's being cared for at the National Zoo.
30 January 2014, 01:49 PM ET
Researchers made a startling discovery — an entirely new species of sea anemone living inside the ice.
30 January 2014, 09:44 AM ET
Cuttlefish are sometimes known as the "chameleons of the sea," for their ability to rapidly change colors and blend into their surroundings. Now, researchers are studying how this sophisticated camouflage system works.
30 January 2014, 09:28 AM ET
Sweet Pea, a shark ray, just gave birth to seven pups, making her the first shark ray in captivity to successfully give birth.
29 January 2014, 11:25 PM ET
Animal advocacy can be controversial, but the conversation needs to be open and honest on all sides.
29 January 2014, 06:47 PM ET
A long-snouted, toothy skull found in west Texas belongs to an unknown species of alligator-like creatures known as phytosaurs. These animals lived in what was once a swampy, forested environment.
29 January 2014, 06:00 PM ET
The flying snake gets a bit of glide by splaying out its ribs and deforming itself into a frisbee cross-section, new research suggests.
29 January 2014, 06:00 PM ET
A flying snake flattens its body into the cross-section of a flying saucer in order to stay airborne, and that shape is surprisingly aerodynamic, new research has found.
29 January 2014, 05:01 PM ET
Increased rainfall associated with climate change has increased the rate of chick mortality in Argentinean penguin colonies, according to a new study.
29 January 2014, 02:34 PM ET
Apparently rats raised at Disney aren't prepared for the real world. A new study warns that Florida's efforts to breed endangered Key Largo woodrats in captivity are doomed.
29 January 2014, 10:00 AM ET
A gigantic, Cretaceous-era frog sported spiky protrusions on the back of its skull and plated armor down its back, likely to protect it from all the dinosaurs and crocodiles that roamed Earth at the time.
29 January 2014, 09:58 AM ET
Following in the footsteps of China and the United States, conservation officials in Hong Kong announced that they will destroy their stockpile of confiscated ivory, burning more than 30 tons (28 tonnes) of elephant tusks and other ivory items.
29 January 2014, 01:15 AM ET
Animals don't use toilet paper, and don't need it, because they don't walk tall.
28 January 2014, 04:32 PM ET
Using the new method, lymphocytes were converted into stem cells (marked in green), which were used to create a mouse embryo with a beating heart.
28 January 2014, 02:59 PM ET
The impact of European settlement on Australia was so massive that many mammals disappeared before anyone noticed they were there, but fossils from the past 10,000 years offer excellent evidence of pre-European fauna.
27 January 2014, 03:40 PM ET
On a 65-acre island off the coast of northern Maine, hundreds of gray seals gather each year to give birth to and rear pups, and mate with other seals. Thanks to explore.org, viewers around the world can watch the adorable scene unfold on a live, high-def
27 January 2014, 02:01 PM ET
A new round of U.S. Navy sonar testing off California is poised to harm hundreds of thousands of blue whales, dolphins and other animals.
27 January 2014, 10:35 AM ET
Researchers at Carnegie Mellon University created a robotic snake that can crawl, climb, swim and scale flights of stairs. These versatile robots, which are designed for reaching human inaccessible areas, could be valuable tools for disaster relief.
24 January 2014, 09:58 PM ET
Without Antarctic krill, the majority of global sea life will be at risk — Antarctic waters must be protected.
24 January 2014, 12:15 PM ET
A single mutation may account for lethal animal's toxin.
24 January 2014, 10:42 AM ET
Indonesian authorities cuffed a wildlife trader who allegedly trafficked komodo dragons, endangered baby primates and other live animals, the Wildlife Conservation Society (WCS) announced.